Steel Dragon Tools WRA40R Automatic Wire Stripping Machine with Reverse Strip Scrap Copper Automatically strips copper and aluminum wire at 125 ft. per minute. Wire Capacity: 34 AWG (.059 in.) to 1-1/2 in. (40 MCM to 750 MCM) Features Forward/Reverse switch. Adjustable, spring-loaded cutter/feed rollers will cut different size wires. Will cut two different sized wires at once.